Google Pixel
Does the Pixel 2 / 2 XL support eSIM?
No, the Pixel 2 / 2 XL has no eSIM and only works with a physical SIM.
Has eSIM hardware, but it only works with Google Fi in the US. You cannot install a travel eSIM on it.
The Pixel 2 / 2 XL does not have eSIM. For mobile data abroad you will need a physical (travel) SIM with this device, or roaming from your own provider.
Source: GSMArena
Check your Pixel 2 / 2 XL for an eSIM yourself
Dial *#06# on your phone. A 32-digit EID number means your phone has an eSIM. On iPhone check Settings > General > About; on Android check Settings > SIM manager.
Frequently asked questions about the Pixel 2 / 2 XL
Can I use an eSIM on the Pixel 2 / 2 XL?
No. The Pixel 2 / 2 XL is not eSIM-compatible and only works with a physical SIM. For mobile data abroad you'll need a physical travel SIM with this device.